Why Control systems are measured in milliamps 4-20mA ? Blog Control System Electrical Testing Instruments sensor Why Control systems are measured in milliamps 4-20mA ? bek6l September 20, 2024 In industrial instrumentation, measuring milliamps (mA) plays a critical role in troubleshooting and maintaining process control systems.... Learn more Read more about Why Control systems are measured in milliamps 4-20mA ?